shader: Fix ShadowCube declaration type, set number of pipeline threads based on hardware

src/shader_recompiler/backend/spirv/emit_context.cpp

@@ -45,7 +45,7 @@ Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
     case TextureType::ShadowCube:
         return ctx.TypeImage(type, spv::Dim::Cube, true, false, false, 1, format);
     case TextureType::ShadowArrayCube:
-        return ctx.TypeImage(type, spv::Dim::Cube, false, true, false, 1, format);
+        return ctx.TypeImage(type, spv::Dim::Cube, true, true, false, 1, format);
     }
     throw InvalidArgument("Invalid texture type {}", desc.type);
 }

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -6,6 +6,7 @@
 #include <cstddef>
 #include <fstream>
 #include <memory>
+#include <thread>
 #include <vector>
 
 #include "common/bit_cast.h"
@@ -607,7 +608,8 @@ PipelineCache::PipelineCache(RasterizerVulkan& rasterizer_, Tegra::GPU& gpu_,
       scheduler{scheduler_}, descriptor_pool{descriptor_pool_},
       update_descriptor_queue{update_descriptor_queue_}, render_pass_cache{render_pass_cache_},
       buffer_cache{buffer_cache_}, texture_cache{texture_cache_},
-      workers(11, "yuzu:PipelineBuilder"), serialization_thread(1, "yuzu:PipelineSerialization") {
+      workers(std::thread::hardware_concurrency() - 1, "yuzu:PipelineBuilder"),
+      serialization_thread(1, "yuzu:PipelineSerialization") {
     const auto& float_control{device.FloatControlProperties()};
     const VkDriverIdKHR driver_id{device.GetDriverID()};
     base_profile = Shader::Profile{